SPM Motor

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  1. [JAC108] Centrifugal Force Rupture Analysis of a Ring Magnet

    This Application Note presents how to obtain the stress distribution of a ring magnet in an SPM motor rotating at high speeds.

  2. [JAC080] Cogging Torque Analysis of an SPM Motor with Skewed Magnetization

    This Application Note presents the use of a magnetic field analysis to obtain the flux density distribution, cogging torque, and induced voltage of an SPM motor that has skewed ma…

  3. [JAC031] Iron Loss Analysis of an SPM Motor Including the Effect of Press-fitting Stress

    This note presents the use of the press fit condition to model a core and frame and obtains iron loss density for when the generated stress is used and not used.

  4. [JAC024] Cogging Torque Analysis of an SPM Motor with a Skewed Stator

    This note presents the use of magnetic field analysis to evaluate the cogging torque of an SPM motor with a skewed stator.

  5. [JAC015] Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet

    This Application Note presents the use of magnetic field analysis to evaluate the magnetic flux density distribution and cogging torque in each part of an SPM motor with a step sk…

  6. [JAC040] Cogging Torque Analysis of an SPM Motor

    This Application Note presents the use of magnetic field analysis to obtain the cogging torque of an 8-pole, 9-slot SPM motor, which has relatively small period.

  7. [JAC029] Iron Loss Analysis of an SPM Motor with Overhanging Magnet

    This Application Note presents the use of a no-load iron loss analysis of an SPM motor with and without an overhanging magnet.

  8. [JAC034] Demagnetization Analysis of an SPM Motor

    This note presents the use of a magnetic field analysis to evaluate the demagnetizing ratio distribution of an of an SPM motor by changing the current flow.

  9. [JAC021] Iron Loss Analysis of an SPM Motor Including the Effect of Shrink Fitting

    This note presents an analysis to obtain the iron loss density of an SPM motor both including and not including the stress caused by shrink fitting.

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